Fastening hook



FIG. 1 is an enlarged perspective view of a fastening hook showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof, the opposing side view being a mirror image;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is an enlarged perspective view of another embodiment of the fastening hook;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a side elevation view thereof, the opposing side view being a mirror image; and,

FIG. 8 is a rear elevation view thereof.

In FIGS. 5-8, the areas of stippling represent regions having a textured surface, while the rest of the surfaces are smooth. 

CLAIM The ornamental design for a fastening hook, as shown and described. 